org.apache.commons.collections4.functors
Class InstanceofPredicate

java.lang.Object
  extended by org.apache.commons.collections4.functors.InstanceofPredicate
All Implemented Interfaces:
Serializable, Predicate<Object>

public final class InstanceofPredicate
extends Object
implements Predicate<Object>, Serializable

Predicate implementation that returns true if the input is an instanceof the type stored in this predicate.

Since:
3.0
Version:
$Id: InstanceofPredicate.java 1476582 2013-04-27 14:13:54Z tn $
See Also:
Serialized Form

Constructor Summary
InstanceofPredicate(Class<?> type)
          Constructor that performs no validation.
 
Method Summary
 boolean evaluate(Object object)
          Evaluates the predicate returning true if the input object is of the correct type.
 Class<?> getType()
          Gets the type to compare to.
static Predicate<Object> instanceOfPredicate(Class<?> type)
          Factory to create the identity predicate.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

InstanceofPredicate

public InstanceofPredicate(Class<?> type)
Constructor that performs no validation. Use instanceOfPredicate if you want that.

Parameters:
type - the type to check for
Method Detail

instanceOfPredicate

public static Predicate<Object> instanceOfPredicate(Class<?> type)
Factory to create the identity predicate.

Parameters:
type - the type to check for, may not be null
Returns:
the predicate
Throws:
IllegalArgumentException - if the class is null

evaluate

public boolean evaluate(Object object)
Evaluates the predicate returning true if the input object is of the correct type.

Specified by:
evaluate in interface Predicate<Object>
Parameters:
object - the input object
Returns:
true if input is of stored type

getType

public Class<?> getType()
Gets the type to compare to.

Returns:
the type
Since:
3.1


Copyright © 2001–2013 The Apache Software Foundation. All rights reserved.